Serum Snare 
Instant
$0.35 #4541 0.08 3.6 years
Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
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Cards similar to Serum Snare expected a card that isn't here?
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Repeal96%
$0.09↓#12153↓0.0720.6 years↑
"Return target nonland permanent with mana value X to its owner's hand."
Disperse93%
$0.08↓#12660↓0.76↑18.6 years↑
"Return target nonland permanent to its owner's hand."
Void Snare93%
$0.27↓#14837↓0.1312.1 years↑
"Return target nonland permanent to its owner's hand."
Leave in the Dust92%
$0.09↓#23545↓0.009.6 years↑
"Return target nonland permanent to its owner's hand."
Alchemist's Retrieval92%
$0.13↓#8729↓0.20↑4.8 years↑
"Return target nonland permanent [you control] to its owner's hand."
Fantastic Bounce90%
$0.22↓#25466↓0.000.2 years↓
"Return target nonland permanent to its owner's hand."
Quicksilver Geyser90%
$0.03↓#29185↓0.24↑15.6 years↑
"Return up to two target nonland permanents to their owners' hands."
Callous Dismissal89%
$0.21↓#14285↓0.47↑7.3 years↑
"Return target nonland permanent to its owner's hand."
This Town Ain't Big Enough88%
$0.39↑#9012↓0.43↑2.4 years↓
"Return up to two target nonland permanents to their owners' hands."
River's Rebuke88%
$0.28↓#3156↑0.94↑8.9 years↑
"Return all nonland permanents target player controls to their owner's hand."
Aether Gale88%
$0.19↓#36760.46↑11.8 years↑
"Return six target nonland permanents to their owners' hands."
Boomerang Basics88%
$0.53↑#44360.000.8 years↓
"Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card."
Geistwave88%
$0.21↓#9413↓0.074.9 years↑
"Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card."
Aethersnipe87%
$0.09↓#11763↓0.47↑18.9 years↑
"When this creature enters, return target nonland permanent to its owner's hand."
Distorting Wake87%
$0.64↑#12555↓0.57↑25.9 years↑
"Return X target nonland permanents to their owners' hands."
Rite of Undoing86%
$0.10↓#24794↓0.0711.6 years↑
"Return target nonland permanent you control and target nonland permanent you don't control to their owners' hands."
Spider-Byte, Web Warden86%
$0.27↓#10976↓0.36↑1.0 years↓
"When this card enters, return up to one target nonland permanent to its owner's hand."
Into the Roil86%
$0.08↓#53960.0416.9 years↑
"Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card."
Blink of an Eye86%
$0.14↓#8525↓0.29↑8.4 years↑
"Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card."
Whoosh!86%
$0.15↓#11788↓0.141.0 years↓
"Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card."